SOLUTION: If my car always goes 94 kilometers per hour and I stop at a rest stop for 21 minutes, and I only average 84.9 kilometers per hour on my trip; how many total kilometers did I go an

Question 336969: If my car always goes 94 kilometers per hour and I stop at a rest stop for 21 minutes, and I only average 84.9 kilometers per hour on my trip; how many total kilometers did I go and how many hours did it take?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate*Time=Distance

t1 is the time while the car moves at 94 kph.

The units are in hours, let's convert to minutes.

.
.
.
t2 is the time at rest.

.
.
.
Average speed is total distance divided by total time.

Multiply both side by

km
Then from above,
minutes
minutes
hrs
= hrs minutes.

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